<template>
  <div class="app">
    <Upload-Excel :on-success="handleSuccess" :before-upload="beforeUpload" />
  </div>
</template>

<script>
import { formatExcelDate } from '@/utils/index.js'
import { importEmployee } from '@/api/employee'
export default {
  name: 'Import',
  methods: {
    beforeUpload(file) {
      const isLt1M = file.size / 1024 / 1024 < 1

      if (isLt1M) {
        return true
      }

      this.$message({
        message: 'Please do not upload files larger than 1m in size.',
        type: 'warning'
      })
      return false
    },
    // handleSuccess({ results, header }) {
    //   console.log(results, header)
    //   // this.tableData = results
    //   // this.tableHeader = header
    // },

    // 更新格式转换函数
    transExcel(results) {
      const mapInfo = {
        '入职日期': 'timeOfEntry',
        '手机号': 'mobile',
        '姓名': 'username',
        '转正日期': 'correctionTime',
        '工号': 'workNumber',
        '部门': 'departmentName',
        '聘用形式': 'formOfEmployment'
      }
      return results.map(zhObj => {
        const enObj = {}
        const zhKeys = Object.keys(zhObj) // ['姓名', '手机号']

        zhKeys.forEach(zhKey => {
          const enKey = mapInfo[zhKey]
          if (enKey === 'timeOfEntry' || enKey === 'correctionTime') {
            // 后端需要的日期格式是标准时间
            enObj[enKey] = new Date(formatExcelDate(zhObj[zhKey]))
          } else {
            enObj[enKey] = zhObj[zhKey]
          }
        })

        return enObj
      })
    },

    async doImport(data) {
      try {
        const res = await importEmployee(data)
        console.log('importEmployee', res)
        this.$message.success('导入成功')

        // 页面后退
        this.$router.back()
      } catch (err) {
        console.log('importEmployee', err)
        this.$message.error('导入失败')
      }
    },
    //  1. 把数据从excel文件读入到浏览器内存
    handleSuccess({ results, header }) {
      // 2. 按接口要求 组装数据
      const data = this.transExcel(results)
      console.log('按接口要求 组装数据', data)
      // 3. 调用接口做上传
      this.doImport(data)
    }
  }
}
</script>

